capitalization rules
When letters grow
Capitalization rules are the conventions governing when to use uppercase letters in writing.
English capitalizes the first word of sentences, proper nouns, and titles, but the details vary by style guide: Does the company follow AP or Chicago capitalization rules?
Debates arise over title case, brand names, and whether to capitalize after colons.
- lowercaseUncapitalized letter form
- headlinesArticle titles in newspapers
- sentence caseFirst word capitalized only
- namesPersonal identifying words
- title caseCapitalizing principal words
grammar · proper nouns · proper name · initialisms · acronyms · Chicago · MLA format · branding · style guides · AP style · subtitles · organizations · brand names · trade names · emphasis · holidays · punctuation · book titles
- Style GuidesStrunk and White, stylebook, editorial guidelines, AP style, house style
- spellingspelling, spelling rules, spelling patterns, spelling errors, spelling conventions
- accountingbookkeeping, ledger, balance sheet, general ledger, accounts payable
- Spanish resourcesSpanish dictionary, Spanish textbook, bilingual dictionary, verb tables, vocabulary list
prescriptive vs. descriptive approach
capitalization rulesstream of consciousness
Narrative mimicking uninterrupted thought